Hi Guys,
We've been using traffic server as a reverse proxy to delivery static
content across multiple CDN nodes, though the regex purge works as expected
through web UI tool, We've been facing some challenges regarding the cache
keys when the objects are stored in cache.
In order to have a better understanding of our scenario, let's take a
look at this example:
Scenario 1:
- traffic server is working as a reverse proxy:
#remap.config
map http://finalurl.foo.bar/ http://originserver.foo.bar/
reverse_map http://originserver.foo.bar/ http://finalurl.foo.bar/
- We have to purge all css files under the URL http://finalurl.foo.bar/
Considering this, we have to purge the following regex:
- http://finalurl.foo.bar/*.css
The example above doesn't work due the fact that traffic server uses the
origin URL to calculate the hash key, then, in this case we have to make a
purge request using the origin server URL (that's not nice with our
clients, right ?):
- http://originserver.foo.bar/*.css
So guys, anyone knows if there is a way to change the hash key in traffic
server, or even if is there some workaround to deal with this scenario ?
Thanks in advance,
--
Daniel Biazus
Porto Alegre, Brasil + 55 51 3012 3005
Miami, USA + 1 305 704 8816
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